time/tst-posixtz.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4 #include <time.h>
   5
   6 struct
   7 {
   8   time_t when;
   9   const char *tz;
  10   const char *result;
  11 } tests[] =
  12 {
  13   { 909312849L, "AEST-10AEDST-11,M10.5.0,M3.5.0",
  14     "1998/10/25 21:54:09 dst=1 zone=AEDST" },
  15   { 924864849L, "AEST-10AEDST-11,M10.5.0,M3.5.0",
  16     "1999/04/23 20:54:09 dst=0 zone=AEST" },
  17 };
  18
  19 int
  20 main (void)
  21 {
  22   int result = 0;
  23   int cnt;
  24
  25   for (cnt = 0; cnt < sizeof (tests) / sizeof (tests[0]); ++cnt)
  26     {
  27       char buf[100];
  28       struct tm *tmp;
  29
  30       printf ("TZ = \"%s\", time = %ld => ", tests[cnt].tz, tests[cnt].when);
  31       fflush (stdout);
  32
  33       setenv ("TZ", tests[cnt].tz, 1);
  34
  35       tmp = localtime (&tests[cnt].when);
  36
  37       snprintf (buf, sizeof (buf),
  38                 "%04d/%02d/%02d %02d:%02d:%02d dst=%d zone=%s",
  39                 tmp->tm_year + 1900, tmp->tm_mon + 1, tmp->tm_mday,
  40                 tmp->tm_hour, tmp->tm_min, tmp->tm_sec, tmp->tm_isdst,
  41                 tzname[tmp->tm_isdst ? 1 : 0]);
  42
  43       fputs (buf, stdout);
  44
  45       if (strcmp (buf, tests[cnt].result) == 0)
  46         puts (", OK");
  47       else
  48         {
  49           result = 1;
  50           puts (", FAIL");
  51         }
  52     }
  53
  54   return result;
  55 }